From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guo Ren Subject: [PATCH V5 27/30] dt-bindings: interrupt-controller: C-SKY APB intc Date: Tue, 25 Sep 2018 07:39:30 +0800 Message-ID: <962274d8ec61f3900b19c07bbe8923674c94d044.1537789737.git.ren_guo@c-sky.com> References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org To: akpm@linux-foundation.org, arnd@arndb.de, daniel.lezcano@linaro.org, davem@davemloft.net, gregkh@linuxfoundation.org, jason@lakedaemon.net, marc.zyngier@arm.com, mark.rutland@arm.com, mchehab+samsung@kernel.org, peterz@infradead.org, robh@kernel.org, robh+dt@kernel.org, tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, devicetree@vger.kernel.org, green.hu@gmail.com, palmer@sifive.com, Guo Ren List-Id: devicetree@vger.kernel.org - Dt-bindings doc about C-SKY apb bus interrupt controller. Signed-off-by: Guo Ren --- .../interrupt-controller/csky,apb-intc.txt | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt b/Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt new file mode 100644 index 0000000..44286dc --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/csky,apb-intc.txt @@ -0,0 +1,62 @@ +============================== +C-SKY APB Interrupt Controller +============================== + +C-SKY APB Interrupt Controller is a simple soc interrupt controller +on the apb bus and we only use it as root irq controller. + + - csky,apb-intc is used in a lot of csky fpgas and socs, it support 64 irq nums. + - csky,dual-apb-intc consists of 2 apb-intc and 128 irq nums supported. + - csky,gx6605s-intc is gx6605s soc internal irq interrupt controller, 64 irq nums. + +============================= +intc node bindings definition +============================= + + Description: Describes APB interrupt controller + + PROPERTIES + + - compatible + Usage: required + Value type: + Definition: must be "csky,apb-intc" + "csky,dual-apb-intc" + "csky,gx6605s-intc" + - #interrupt-cells + Usage: required + Value type: + Definition: must be <1> + - reg + Usage: required + Value type: + Definition: in soc from cpu view + - interrupt-controller: + Usage: required + - csky,support-pulse-signal: + Usage: select + Description: to support pulse signal flag + +Examples: +--------- + + intc: interrupt-controller@500000 { + compatible = "csky,apb-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + }; + + intc: interrupt-controller@500000 { + compatible = "csky,dual-apb-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + }; + + intc: interrupt-controller@500000 { + compatible = "csky,gx6605s-intc"; + #interrupt-cells = <1>; + reg = <0x00500000 0x400>; + interrupt-controller; + }; -- 2.7.4